The invention relates to an onium salt, a liquid composition containing the onium salt and cellulose, and a method for recovering cellulose. The invention makes it possible to provide an onium salt having an extremely high ability to dissolve cellulose at temperatures of 100° C. or lower. It also makes it possible to provide a liquid composition containing this onium salt and cellulose, as a composition suitable for the recovery of cellulose, and a method for recovering cellulose efficiently by using such a liquid composition containing the onium salt and cellulose.
该发明涉及一种含有onium盐和
纤维素的液体组合物以及一种恢复
纤维素的方法。该发明使得能够在100°C或更低温度下提供具有极高溶解
纤维素能力的onium盐成为可能。它还使得能够提供一种含有该onium盐和
纤维素的液体组合物,作为适用于
纤维素恢复的组合物,并通过使用含有onium盐和
纤维素的这种液体组合物高效地恢复
纤维素的方法成为可能。